DIN EN 12514-3:2009-06

This European Standard applies to the following parts of supply systems for automatic supply of demand appliances with liquid fuels from one or more tanks:Shut-off valves, quick acting shut off valves, reversing valves, forced reversing valves, non-return valves, pressure compensating devices, relief valves, pressure regulators, filters, meters, bleeding devices, safety devices against siphoning, pressure relief valves, isolating devices, pressure gauges, gas-air-separator, pressure controlled systems and other parts. Combination of individual parts are allowed.